Home / 272,802.12-409,264.23-83,279.33

Finding the Fourth Proportional to 272,802.12, 409,264.23 and 83,279.33

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Solution

The fourth proportional to 272,802.12, 409,264.23 and 83,279.33 is: 124,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,802.12 : 409,264.23 = 83,279.33 : x
  2. Step 2: Convert to fraction form
    272,802.12/409,264.23 = 83,279.33/x
  3. Step 3: Cross multiply
    272,802.12x = 409,264.23 × 83,279.33
  4. Step 4: Simplify right side
    272,802.12x = 34,083,250,867.37
  5. Step 5: Solve for x
    x = 34,083,250,867.37/272,802.12
  6. Step 6: Final answer
    x = 124,937.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.